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Physical & Chemical properties

Dissociation constant

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Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30.04.2012-15.05.2012
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Measurement of capacity of a compound to dissociate into respective ions.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(3-nitrophenyl)sulphonyl]ethanol
EC Number:
255-501-9
EC Name:
2-[(3-nitrophenyl)sulphonyl]ethanol
Cas Number:
41687-30-3
Molecular formula:
C8H9NO5S
IUPAC Name:
3 Nitrophenyl-B-Hydroxyethylsulfone
Details on test material:
- Name of test material (as cited in study report): 2-[(3-nitrophenyl)sulphonyl]ethanol
- Substance type: Organic
- Physical state: Solid

Results and discussion

Dissociation constantopen allclose all
No.:
#1
pKa:
0
Temp.:
28 °C
Remarks on result:
other: Weak Dissociation (0.4822x10-6)
No.:
#2
pKa:
0
Temp.:
28 °C
Remarks on result:
other: Weak Dissociation(0.4825x10-6)
No.:
#3
pKa:
0
Temp.:
28 °C
Remarks on result:
other: Weak Dissociation (0.4830x10-6)

Applicant's summary and conclusion

Conclusions:
2-[(3-nitrophenyl)sulphonyl]ethanol was found to be a weakly dissociating solid with the pKa value of 0.000000482 & 0.000000483 obtained at 28°C
Executive summary:

2-[(3-nitrophenyl)sulphonyl]ethanol was found to be a weakly dissociating solid with the pKa value of 0.000000482 & 0.000000483 obtained at 28°C.

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